Module: Printer

Included in:
Parser
Defined in:
lib/lisp/interpreter/helpers/printer.rb

Overview

Module used to display result

Instance Method Summary collapse

Instance Method Details

#display_result(result) ⇒ Object 



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# File 'lib/lisp/interpreter/helpers/printer.rb', line 22

def display_result(result)
  to_print = find_result_type result, @tokenizer.syntax_methods
  puts to_print
end

#finalize_result(result) ⇒ Object 



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# File 'lib/lisp/interpreter/helpers/printer.rb', line 3

def finalize_result(result)
  result = format_result result
  display_result result if @env_type == Environment::PROD
  result
end

#find_result_type(res, methods) ⇒ Object 



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# File 'lib/lisp/interpreter/helpers/printer.rb', line 15

def find_result_type(res, methods)
  return '#<Closure>' if res.is_a? Proc
  is_func = (methods.key? res.to_s)
  return '#<Function ' + res.to_s + '>' if is_func
  res.to_s
end

#format_result(result) ⇒ Object 



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# File 'lib/lisp/interpreter/helpers/printer.rb', line 9

def format_result(result)
  to_remove = result.to_s.list? || result.to_s.pair? || result.to_s.quote?
  result = result.delete('\'') if to_remove
  result
end